's attention. this blast got the immediate and sharp response from the white house. president obama says it threatens. u.s. national security. he says the united states will continue to take steps necessary to defend ourselves and our allies. and as matt mentioned a moment ago, the security council at the u.n. meeting at this moment to discuss tightening and increasing sanctions against 2340r9 korea, but all of that is for not unless china steps up and takes some responsibility here and itself imposes tougher restrictions on oil shipments and other supplies to north korea. but, you know, at the same time this is an indication that any hopes that the current 29-year-old north korean leader kim jong ill is different than his father. this nuclear test overnight is an indication that he, like his father, are intent on becoming a nuclear power, savannah. >> jim, i know we recently saw in january some very threatening language coming out of the north korean leadership, so this is something the u.s. is watching very, very closely. jim at the pentagon for us. thank you. now here's matt. >>> sava
